Can this be used to extend the length of my dc power supply cable on my 1000w amplifier for a utv speaker system

Max safe distance of 12volts ac/dc of 18 gauge wire is 10ft. If your going to power a 1000w amp you need 4 gauge wire. 18 gauge wire is good for low voltage lights, not powering or extending the length of the power cord for a 1000w amplifier.

Why is the max voltage for the 18G wire only 12V when their thinner 22G wire can handle up to 24V?

18AWG wire can handle upto 48v, however for safety and stablity consideration, we suggest not to work more than 24v, better upto 12v.

Will this work for doorbell?

Yes it will. I used this wire to replace the wire to my doorbell and it works just fine.

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TYUMEN 100FT 18 Gauge 2pin 2 Color Red Black Cable Hookup Electrical Wire LED Strips Extension Wire 12V/24V DC Cable, 18AWG Flexible Wire Extension Cord for LED Ribbon Lamp Tape Lighting

TYUMEN 100FT 18 Gauge 2pin 2 Color Red Black Cable Hookup Electrical Wire LED Strips Extension Wire 12V/24V DC Cable, 18AWG Flexible Wire Extension Cord for LED Ribbon Lamp Tape Lighting

Product ID: 486562999

Details

Brand
Tyumen
Colour
Red Black
Gauge
18.0
Material
Polyvinyl
Number of cable strands
7

💡Supports 12V/24V low voltage LED setups

🔌100FT flexible 18AWG cable

🔴⚫Dual-color red & black for easy polarity

Description

⚡ Wire your world with Tyumen – where flexibility meets flawless lighting!

POLARITY PERFECT - Distinct red and black colors ensure foolproof wiring and quick identification every time.
ENDLESS FLEXIBILITY - 100 feet of premium 18 AWG stranded wire for effortless custom lengths and installations.
VERSATILE APPLICATION - Perfect for home, automotive, commercial, and creative lighting setups—join the pros who trust Tyumen.
LOW VOLTAGE POWERHOUSE - Optimized for 12V and 24V DC systems, ideal for LED strips, lamps, and automotive lighting.
DURABILITY MEETS CONVENIENCE - PVC insulation guards against dampness while the peel-and-cut design speeds up your project.

The TYUMEN 100FT 18 Gauge 2-pin red and black cable is a high-quality, flexible extension wire designed for low voltage (12V/24V) LED strip lighting and electrical hookups. Featuring durable PVC insulation and a stranded 18 AWG core, it offers easy peel-and-cut customization, reliable polarity identification, and broad compatibility for home, automotive, and commercial lighting projects.

Specifications

ASIN	B07DDG7J9K
Best Sellers Rank	1,156,373 in DIY & Tools ( See Top 100 in DIY & Tools ) 5,677 in Electrical Wire
Brand	Tyumen
Colour	Red,Black
Customer Reviews	4.7 4.7 out of 5 stars (2,764)
Gauge	18.0
Manufacturer	Tyumen
Manufacturer Part Number	TY-1-101-1
Material	Polyvinyl Chloride
Model Number	TY-1-101-1
Number Of Wires	7
Number of Items	1
Strands	7
UPC	611040921752
Voltage	12 Volts

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